MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a55ecb3d7733f5086fbfa1fcaa97100cafc98c05eb547f038b3e254f558dc18f. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a55ecb3d7733f5086fbfa1fcaa97100cafc98c05eb547f038b3e254f558dc18f
SHA3-384 hash: dac43bf89739d2d0123a87feccaa39e3d024030b995e88c39d5b61738a09b9b5309a9a2326b0e2fccb0e0c3e2b6ddc53
SHA1 hash: 46d8c194d78e81ecee979f253721f59561701cae
MD5 hash: 561e99467cf0d2fcdc42580abd1bbfc6
humanhash: purple-paris-connecticut-floor
File name:m9x7k2v8b3.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:56'748 bytes
First seen:2025-12-31 19:21:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:C+Dar7zN+MWL5s9q3yZCghqB4Bvo6BXncC6qK:C+enzN+MWmCHQTB2qK
TLSH T152431985F8D2896AC5D4177AA73E328E33A1B3A4D1CE3617CC685B2173C66CF1D66B40
telfhash t187e06140fe764b1844e75634ecdd07b49511211761664710cf54daf0883f118a31cd5e
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d
File size (compressed) :25'472 bytes
File size (de-compressed) :56'748 bytes
Format:linux/arm
Packed file: 4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/55024173-d9cc-4042-9c92-6db5e602fb41/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-31T16:26:00Z UTC
Last seen:
2025-12-31T16:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Link:
https://opentip.kaspersky.com/a55ecb3d7733f5086fbfa1fcaa97100cafc98c05eb547f038b3e254f558dc18f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/40d46c96-cd8f-4a26-bbce-70d37d473ab6
Behavior Graph:
Download SVG
%3
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f8ed3b9f-84da-47ae-b477-f6b16171fa9f
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1842802
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a55ecb3d7733f5086fbfa1fcaa97100cafc98c05eb547f038b3e254f558dc18f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a55ecb3d7733f5086fbfa1fcaa97100cafc98c05eb547f038b3e254f558dc18f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a55ecb3d7733f5086fbfa1fcaa97100cafc98c05eb547f038b3e254f558dc18f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-31 19:22:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uvpmwplxgp2qq357uh6kvfyqbsx4tdaf5nkh6a4lhysu6vmnyghq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251231-x3gldszmhw/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/566178b0-8e66-435a-a955-e38cc5b86152
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/a55ecb3d7733f5086fbfa1fcaa97100cafc98c05eb547f038b3e254f558dc18f

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d

Mirai

elf a55ecb3d7733f5086fbfa1fcaa97100cafc98c05eb547f038b3e254f558dc18f

(this sample)

  
Dropped by
SHA256 4a9c10ff6a733c2d5b6f36efe6bc90eeec03d8a02c3cfbb176ba3c6e8959281d
  
URLhaus
https://urlhaus.abuse.ch/url/3747243/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3746634/
  
Dropped by
MD5 79200c6ce0c2df4ff4da09621ba1f490

Comments